Courtesy or Dome Lamps Always On. Chevrolet PJJ 2000

For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Was the Lighting Systems Diagnostic System Check performed? | Go to Step 2 | Go to A Diagnostic System Check - Lighting Systems
2 | Use the Scan Tool in order to command the courtesy lamps OFF. Do the courtesy lamps turn OFF? | Go to Step 4 | Go to Step 3
3 | Test for a short to ground in the courtesy lamps control circuit (156). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | System OK | Go to Step 7

4

Test for a short to ground in each door jamb switch circuit:

• | Circuit 395-Driver door

• | Circuit 394-Passenger door(s).

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

System OK

Go to Step 5

5

Test each door jamb switch for proper operation. Refer to the following:

• | Open switch with the door closed

• | Closed switch with the door open

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find a malfunctioning door jamb switch?

Go to Step 6

Go to Testing for Intermittent and Poor Connections in Wiring Systems

6 | Replace the malfunctioning door jamb switch. Refer to Door Jamb Switch Replacement in Doors. Is the repair complete? | System OK | --
7 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Important: Perform the setup procedure for the BCM. Refer to BCM Programming/RPO Configuration. Is the repair complete? | System OK | --